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Heliaiitlius grosse-serratiis, Martens. Saw-toothed Sun- 

 flower. 



In low ground in the Minnesota and Sioux valleys; 

 common. 



Helianthus tuberosiis, L. Jerusalem Artichoke. 



In moist soils in the vicinity of streams, from the 

 Missouri valley eastward. 



Heliaiithns tuberosus subcanescens, Gray. 



In the Sioux valley; rare. 



Heliaiithella quinqueuervis, (Hook.) Gray. Five-nerved 

 False Sunflower. 



On dry knolls in the Black Hills. 



Balsainorliiza sagittata, (Pursh.) Nutt. Balsamroot. 



In the Black Hills. 



Coreopsis tiiietoria, Xutt. Garden Tickseed. 



In moist soils from the Missouri valley eastward. 



Coreopsis palmata, Nutt. Stiff Tickseed. 



In the Sioux valley near Sioux Falls; rare. 



Bidens laevis, (L.) B. S. P. Smooth Burr Marigold. 

 In wet meadows in the Black Hills. 



Bidens cerniia, L. Nodding Burr Marigold. 



In wet soils from the Missouri valley eastward. 



Bidens connata, Muhl. Purple-stemmed Beggartick. 

 In swamps in the Sioux valley. 



Bidens frondosa, L. Sticktight. 



In moint soils from the Missouri valley eastward. 



Hynienopappus teuuifolius, Pursh. Woolly Hymeno- 

 pappus. 



On dry plains from the Missouri valley westward. 



Hynienopappus filifolius, Hook. Tufted Hymenopappus. 

 On dry prairies from the Missouri valley westward. 



Bahia oppositifolia, Nutt. Bahia. 



On dry plains from the Missouri valley westward. 



